GXP Exhaust
Thread Starter
Teching In
Joined: Jun 2016
Posts: 1
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GXP Exhaust I have searched the Internet and other sites for some info that eludes me, what brand or mancufacto are the stock exhaust mufflers on the LS4 line of cars. I truly love the original sound and I want to buy that Nya help i trrrrruly apprrrrriaaaat.
